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Document Chrome blob size limit

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Eli Grey
2014-12-27 18:35:17 -05:00
parent 565e2f83a6
commit f19f514772
1 changed files with 12 additions and 10 deletions
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README.md
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@@ -10,7 +10,7 @@ webapps that need to generate files, or for saving sensitive information that sh
sent to an external server. sent to an external server.
Looking for `canvas.toBlob()` for saving canvases? Check out Looking for `canvas.toBlob()` for saving canvases? Check out
[canvas-toBlob.js](https://github.com/eligrey/canvas-toBlob.js) for a cross-browser implementation. [canvas-toBlob.js][2] for a cross-browser implementation.
Supported browsers Supported browsers
------------------ ------------------
@@ -19,10 +19,10 @@ Supported browsers
| -------------- | ------------- | ------------ | ------------- | ------------ | | -------------- | ------------- | ------------ | ------------- | ------------ |
| Firefox 20+ | Blob | Yes | 800 MiB | None | | Firefox 20+ | Blob | Yes | 800 MiB | None |
| Firefox < 20 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) | | Firefox < 20 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) |
| Chrome | Blob | Yes | 345 MiB | None | | Chrome | Blob | Yes | [500 MiB][3] | None |
| Chrome for Android | Blob | Yes | 345 MiB | None | | Chrome for Android | Blob | Yes | [500 MiB][3] | None |
| IE 10+ | Blob | Yes | 600 MiB | None | | IE 10+ | Blob | Yes | 600 MiB | None |
| Opera 15+ | Blob | Yes | 345 MiB | None | | Opera 15+ | Blob | Yes | 500 MiB | None |
| Opera < 15 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) | | Opera < 15 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) |
| Safari 6.1+* | Blob | No | ? | None | | Safari 6.1+* | Blob | No | ? | None |
| Safari < 6 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) | | Safari < 6 | data: URI | No | n/a | [Blob.js](https://github.com/eligrey/Blob.js) |
@@ -66,8 +66,8 @@ var blob = new Blob(["Hello, world!"], {type: "text/plain;charset=utf-8"});
saveAs(blob, "hello world.txt"); saveAs(blob, "hello world.txt");
``` ```
The standard W3C File API [`Blob`][3] interface is not available in all browsers. The standard W3C File API [`Blob`][4] interface is not available in all browsers.
[Blob.js][4] is a cross-browser `Blob` implementation that solves this. [Blob.js][5] is a cross-browser `Blob` implementation that solves this.
### Saving a canvas ### Saving a canvas
@@ -80,15 +80,17 @@ canvas.toBlob(function(blob) {
``` ```
Note: The standard HTML5 `canvas.toBlob()` method is not available in all browsers. Note: The standard HTML5 `canvas.toBlob()` method is not available in all browsers.
[canvas-toBlob.js][5] is a cross-browser `canvas.toBlob()` that polyfills this. [canvas-toBlob.js][6] is a cross-browser `canvas.toBlob()` that polyfills this.
![Tracking image](https://in.getclicky.com/212712ns.gif) ![Tracking image](https://in.getclicky.com/212712ns.gif)
[1]: http://eligrey.com/demos/FileSaver.js/ [1]: http://eligrey.com/demos/FileSaver.js/
[3]: https://developer.mozilla.org/en-US/docs/DOM/Blob [2]: https://github.com/eligrey/canvas-toBlob.js
[4]: https://github.com/eligrey/Blob.js [3]: https://code.google.com/p/chromium/codesearch#chromium/src/storage/browser/blob/blob_storage_context.cc&type=cs&sq=package:chromium&l=37&rcl=1418672972
[5]: https://github.com/eligrey/canvas-toBlob.js [4]: https://developer.mozilla.org/en-US/docs/DOM/Blob
[5]: https://github.com/eligrey/Blob.js
[6]: https://github.com/eligrey/canvas-toBlob.js
Contributing Contributing
------------ ------------